If we detect that the instruction we are simplifying is unreachable, arrange for

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAGBuilder.h

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
index 2ba88974abe91de3fbd18b0c2d29b407871ee747..dfd1df75f10701893478e17151873fc76b9c24e1 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.h
@@ -18,9 +18,6 @@
 #include "llvm/CodeGen/SelectionDAG.h"
 #include "llvm/ADT/APInt.h"
 #include "llvm/ADT/DenseMap.h"
-#ifndef NDEBUG
-#include "llvm/ADT/SmallSet.h"
-#endif
 #include "llvm/CodeGen/SelectionDAGNodes.h"
 #include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/Support/CallSite.h"
@@ -401,6 +398,10 @@ public:
   void LowerCallTo(ImmutableCallSite CS, SDValue Callee, bool IsTailCall,
                    MachineBasicBlock *LandingPad = NULL);
 
+  /// UpdateSplitBlock - When an MBB was split during scheduling, update the
+  /// references that ned to refer to the last resulting block.
+  void UpdateSplitBlock(MachineBasicBlock *First, MachineBasicBlock *Last);
+
 private:
   // Terminator instructions.
   void visitRet(const ReturnInst &I);
@@ -532,7 +533,7 @@ private:
   /// corresponding DBG_VALUE machine instruction for it now. At the end of 
   /// instruction selection, they will be inserted to the entry BB.
   bool EmitFuncArgumentDbgValue(const Value *V, MDNode *Variable,
-                                uint64_t Offset, const SDValue &N);
+                                int64_t Offset, const SDValue &N);
 };
 
 } // end namespace llvm